
<template>
  <div class="login-wrap">
    <h1 align="center">新兴材料管理系统</h1>
    <el-form
      label-position="left"
      :model="ruleForm"
      :rules="rules"
      ref="ruleForm"
      label-width="0px"
      class="demo-ruleForm login-container"
    >
      <h3 class="title">用户登录</h3>
      <el-form-item prop="userName">
        <el-input
          type="text"
          v-model="ruleForm.userName"
          auto-complete="off"
          placeholder="账号"
        ></el-input>
      </el-form-item>

      <el-form-item prop="password">
        <el-input
          type="password"
          v-model="ruleForm.password"
          auto-complete="off"
          placeholder="密码"
        ></el-input>
      </el-form-item>

      <el-row>
        <el-col :span="12">
          <el-form-item prop="verCode">
            <el-input
              type="text"
              v-model="ruleForm.verCode"
              auto-complete="off"
              placeholder="图形验证码"
            ></el-input>
          </el-form-item>
        </el-col>

        <el-col :span="12" class="code-box">
          <el-image
            style="width: 150px; height: 45px"
            :src="src"
            fit="fit"
            class="ca"
            @click="getCaptcha()"
          ></el-image>
        </el-col>
      </el-row>

      <el-form-item style="width: 100%">
        <el-button
          type="primary"
          style="width: 100%"
          @click="submitForm('ruleForm')"
          :loading="logining"
          >登录</el-button
        >
      </el-form-item>
    </el-form>
  </div>
</template>
<script type="text/ecmascript-6">
import { setCookie, getCookie, delCookie } from "../utils/util";
export default {
  name: "login",
  data() {
    return {
      //定义loading默认为false
      logining: false,
      src: "",
      ruleForm: {
        userName: "",
        password: "",
        key: "",
        verCode: "",
      },
      permissions: [],
      menus: [],
      //rules前端验证
      rules: {
        userName: [{ required: true, message: "请输入账号", trigger: "blur" }],
        password: [{ required: true, message: "请输入密码", trigger: "blur" }],
        verCode: [{ required: true, message: "请输入验证码", trigger: "blur" }],
      },
    };
  },
  // 创建完毕状态(里面是操作)
  created() {
    // 获取图形验证码
    this.getCaptcha();
  },
  // 里面的函数只有调用才会执行
  methods: {
    //获取验证码
    async getCaptcha() {
      var d = await this.$axios.get("/user/captcha");
      if (d.code == 200) {
        console.log(d.message);
        this.ruleForm.key = d.message;
        this.src = d.data;
      }
    },

    //获取info列表
    submitForm(formName) {
      this.$refs[formName].validate(async (valid) => {
        if (valid) {
          var d = await this.$axios.post("/user/login", this.ruleForm);
          if (d.code == 200) {
            this.$message.success(d.message);
            window.sessionStorage.setItem("token", JSON.stringify(d.data));
            this.getUser(d.data.uid);
          } else {
            this.$message.error(d.message);
          }
        } else {
          this.getCaptcha();
          this.$message.error("请输入用户名密码！");
          this.logining = false;
          return false;
        }
      });
    },

    async getUser(uid) {
      var d = await this.$axios.get("/user/byId/" + uid);
      if (d.code == 200) {
        window.sessionStorage.setItem("user", JSON.stringify(d.data));
        this.savePermisison(d.data.roles);
        this.saveMenus(d.data.roles);
        this.$router.push("/dashbord");
      }
    },

    savePermisison(roles) {
      let c = [];
      for (let i = 0; i < roles.length; i++) {
        c.push(roles[i].permissions);
      }
      this.permissions = this.initPers(this.unique(c));
      window.sessionStorage.setItem("pers", JSON.stringify(this.permissions));
    },

    saveMenus(roles) {
      let c = [];
      for (let i = 0; i < roles.length; i++) {
        c.push(roles[i].menus);
      }
      this.menus = this.unique(c);
      let menusUrl = this.initMenusUrl(this.menus);
      window.sessionStorage.setItem("menusUrl", JSON.stringify(menusUrl));
      window.sessionStorage.setItem("menus", JSON.stringify(this.menus));
    },

    unique(menus) {
      let result = {};
      let finalResult = [];
      for (let i = 0; i < menus.length; i++) {
        result[menus[i].name] = menus[i];
      }
      for (var item in result) {
        finalResult.push(result[item]);
      }
      return finalResult[0];
    },

    initPers(pers) {
      let p = [];
      for (let i = 0; i < pers.length; i++) {
        p.push(pers[i].code);
      }
      return p;
    },

    //菜单路径,用于路由控制
    initMenusUrl(menus) {
      let p = [];
      for (let i = 0; i < menus.length; i++) {
        p.push(menus[i].url);
      }
      return p;
    },
  },
};
</script>

<style scoped>
.login-wrap {
  box-sizing: border-box;
  width: 100%;
  height: 100%;
  padding-top: 10%;
  background-image: url();
  /* background-color: #112346; */
  background-repeat: no-repeat;
  background-position: center right;
  background-size: 100%;
}
.login-container {
  border-radius: 10px;
  margin: 0px auto;
  width: 350px;
  padding: 30px 35px 15px 35px;
  background: #fff;
  border: 1px solid #eaeaea;
  text-align: left;
  box-shadow: 0 0 20px 2px rgba(0, 0, 0, 0.1);
}
.title {
  margin: 0px auto 40px auto;
  text-align: center;
  color: #505458;
}
.remember {
  margin: 0px 0px 35px 0px;
}
.code-box {
  text-align: right;
}
.codeimg {
  height: 40px;
}
</style>